NCRTC starts installation of Steel Spans on Delhi-Meerut RRTS Corridor

MRT Online Desk Posted on: 2023-03-27 16:00:00 Viewer: 881 Comments: 0 Country: India City: New Delhi

NCRTC starts installation of Steel Spans on Delhi-Meerut RRTS Corridor

New Delhi, India (Metro Rail Today): The National Capital Region Transport Corporation (NCRTC) is going to install 6 steel spans to cross the Ghazipur drain on the Delhi-Ghaziabad-Meerut RRTS corridor. The combined length of these 6 special steel spans is 350 meters. This is the only place on the entire RRTS corridor where such a long viaduct is being constructed with steel spans. Out of these 6, the first special steel span has been successfully installed. This special steel span, weighing 560 tonnes has been installed in the Kondli area, near the New Ashok Nagar RRTS station.

The RRTS corridor is progressing parallel to the Ghazipur drain. These special steel spans are being installed where the corridor will cross the drain. These spans will also cross over the road near Kondli Chowk. Out of these 6 special steel spans, the length of 3 spans will be approximately 70 meters each and the remaining 3 will be 50 meters each.

The span installed parallel to the Ghazipur drain is about 70 meters long and 14 meters wide. It was placed on the pillars, at a height of about 6 meters from the ground level with the help of big cranes. Another 5 spans to be installed in the area are under construction.

NCRTC usually erects pillars at an average distance of 34 meters for the construction of an elevated viaduct of the RRTS corridor. These pillars are joined by pre-cast segments with the help of a launching gantry (Tarini) to form the RRTS viaduct span. However, in some complex areas where the corridor is crossing rivers, bridges, rail crossings, metro corridors, expressways or other such existing infrastructure, it is practically not possible to maintain this distance between pillars. In such areas, steel spans are being used to connect the pillars.

The installation of the steel span near Ghazipur drain, which is about 30 meters wide is a challenging task. Team NCRTC, following all the norms and taking all the precautions completed it successfully. NCRTC also took the cooperation of other departments for the installation of the first steel span near the Ghazipur drain. Despite the challenges faced in construction, NCRTC has maintained the pace of construction.

Special steel spans are massive structures, consisting of beams made of structural steel. Segments of structural steel are first manufactured in the factory and then laden onto trailers brought to the site during the night to avoid any traffic problems.
These parts are then assembled at the site by systematically joining together with the help of a special process. The shape and structure of these steel spans are specially designed to suit all the requirements of construction, installation, and usage.

So far 6 special steel spans have been installed on the Delhi Meerut RRTS corridor, including a 50-meter-long span at Meerut on the Delhi-Meerut Expressway (DME), a 73-meter-long special span at Vasundhara on the main line of the railway, a 150-meter long span Steel Spans Near Ghaziabad station, two 45 m long steel spans for RRTS viaduct going towards Duhai Depot and 73 m long span for crossing EPE.

NCRTC aims to operationalise the entire 82 km long Delhi-Ghaziabad-Meerut corridor for the public by the year 2025.


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